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Developer Guide

Please read the common developer guide for the Scala projects.

Short Description on UDF Scripts

  • The UDF scripts use the IMPORT FROM SCRIPT statement.
  • The KAFKA_CONSUMER is an entry point that internally uses two other scripts KAFKA_IMPORT and KAFKA_METADATA to generate an import query.
  • The complete import process runs as a single transaction in the Exasol database.

Configure Logging

This project uses Logback as it is compatible to SLF4J already used by the third-party dependencies. The log level is set to WARN by default to avoid performance overhead. For debugging you can increase the log level in logback.xml and rebuild the adapter JAR.

See the Exasol documentation for how to enable log output for UDFs.